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碳纳米管改性聚脲材料的研究

Changshan YUE,Baozhu WANG,Wei WANG,Ximei WEN,Yonggang LI,Xiaowen LIU

Polyurethane Industry（2020）

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Abstract
制备了化学改性的碳纳米管,并用喷涂制样的方式制备了碳纳米管改性的聚脲材料.研究了碳纳米管的种类和添加量等因素对聚脲力学性能的影响.结果表明,涂膜的拉伸强度和撕裂强度随着原始碳纳米管含量的增多而降低;而随着改性碳纳米管添加量的增加,涂膜拉伸强度先升高后下降,撕裂强度提高,断裂伸长率降低;且改性单壁碳纳米管对聚脲材料力学性能的增强效果明显优于改性双壁和多壁碳纳米管的.
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